CN102461538A - Application of hybrid herbicide containing Cinosulfuron, cyhalofop-butyl and butachlor - Google Patents
Application of hybrid herbicide containing Cinosulfuron, cyhalofop-butyl and butachlor Download PDFInfo
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- CN102461538A CN102461538A CN2010105521308A CN201010552130A CN102461538A CN 102461538 A CN102461538 A CN 102461538A CN 2010105521308 A CN2010105521308 A CN 2010105521308A CN 201010552130 A CN201010552130 A CN 201010552130A CN 102461538 A CN102461538 A CN 102461538A
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Abstract
The invention belongs to the technical field of pesticide, relating to a herbicide, in particular to an application of hybrid herbicide containing Cinosulfuron, cyhalofop-butyl and butachlor. The herbicide takes the Cinosulfuron, the cyhalofop-butyl and the butachlor as main effective ingredients with the mass ratio of (0.1-80): (0.1-80): (0.1-80). The hybrid herbicide disclosed by the invention has obvious effect when being applied to the paddy field weeding, in particular to preventing and removing of various grass family weeds, cyperaceae weed family weeds and broad leaf family weeds in the paddy field. On the premise of improving pesticide effect, the herbicide can delay weed resistance, has the advantages of wide weeding spectrum and long effect lasting period if being compared with a single agent and is safe to the paddy and next batch of crop.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of weed killer herbicide, be specifically related to the application of the mixed herbicide of a kind of cinosulfuron-containing, cyhalofop-butyl and butachlor.
Background technology
China is the country with the longest history of rice cropping in the world, and paddy rice is one of China's staple food crop, and about 3,300 ten thousand hectares of cultivated area accounts for 29% of cereal crops cultivated area.
Not weeding of field it is reported that annual national paddy rice all receives crop smothering in various degree, if can make the paddy rice underproduction more than 50%.Weeds have the paddy field main harm: barnyard grass grass, moleplant seed, reed, firefly Lin, Herba Cyperi Glomerati, difformed galingale herb, cyperus iria, miliary fimbristylis herb, pondweed, Eclipta prostrata, wild arrowhead, Monochoria vaginalis etc.In order to reduce the economic loss that crop smothering causes, reduce labor intensity, also because chemical weed control is convenient, quick-acting, the control time is long, chemical weed control is accepted by people gradually simultaneously.
In recent years, along with increasing and the extensive popularization of chemical control technology in agricultural production of weed killer herbicide kind, chemical weed control has been widely used in each period of paddy growth.The choose reasonable weed killer herbicide not only can reduce friend peasant labour intensity, shorten working time, cultivate cost but also can reduce, reach the purpose of raising the output.
Cinosulfuron (Cinosulfuron) has another name called the first cinosulfuron, a kind of sulfonylurea herbicide, and formal name used at school 1-(4,6-dimethoxy-1,3,5-triazines-2-yl)-3-[2-(2-methoxy ethoxy) phenyl sulphonyl] urea, its structural formula is following:
Cinosulfuron mainly absorbs through root and stem, is sent to meristematic tissue by conducting tissue, suppresses the biosynthesis of branched-chain amino acid (like serine, isoleucine).Weeds can be not dead immediately after the medication, but stop growing, and plant begins yellow after 5-10 days, withered death.In the paddy rice body, active ingredient can be through urea bridge fracture, after methoxyl group hydrolysis, deamination and the phenyl ring hydrolysis with approach such as the sucrose yoke close; Be metabolized to non-poisonous material at last; The half life period was 3 days in the paddy rice leaf, so to rice safety less than 1 day half life period in rice root.But because its water-soluble big (3.7g/L water) in the water leaking paddy field, causes poisoning thereby may focus on the rice root district with water to paddy rice.Be used for that drought is broadcast, water broadcasts annual broadleaf weed and sedge weeds such as rice field control rhizoma alismatis, nutgrass flatsedge, pondweed, arrowhead, Monochoria vaginalis, and is invalid to barnyard grass grass and moleplant seed etc.
Cyhalofop-butyl (Cyhalofop-butyl), commodity are called a thousand pieces of gold, are the phenoxy carboxylic acid herbicidess of LG-DOW agricultural science company exploitation, chemical name: (R)-and 2-[4 (4-cyanic acid-2-fluorophenoxy) phenoxy group]-butyl propionate, its structural formula is following:
Cyhalofop-butyl is unique in the fragrant phenoxy propionic acid ester weed killer herbicide paddy rice to be had the kind of tight security, and is the same with such other kinds, also is the inner sucting conduction type weed killer herbicide.Cyhalofop-butyl is absorbed by the leaf sheath and the blade of plant corpus; The phloem conduction accumulates the meristem zone in plant corpus, suppresses acetyl-CoA carboxylase (ACCase); Fatty acid is synthesized to be stopped; The growth division of cell can not normally be carried out, and film system etc. contains membrane structure and destroys, and causes plant dead at last.It is slower to be absorbed into weeds death from cyhalofop-butyl, generally needs 1-3 week.The symptom of weeds after dispenser is following: the tender shoots atrophy of four leaf phases, working hard at last causes death.Grow rapidly that leaf then stops growing after a couple of days tri-leaf period, it is sallow how many limb edge occurs, and causes death.The Lao Ye of two leaf stage changes minimum, keeps green.Cyhalofop-butyl can be degraded to the diacid attitude to the acetyl-CoA carboxylase non-activity rapidly by paddy rice, thereby paddy rice is had the safety of height.Because of it is degraded rapidly in soil with in the typical paddy field water either, so to succession crop safety.Be mainly used in and prevent and kill off grassy weed.Cyhalofop-butyl is not only efficient to various barnyard grass grass (comprising above the average age for marriage barnyard grass grass), also can prevent and kill off moleplant seed, lady's-grass, Paspalum distichum, green foxtail, eleusine indica, amur foxtail etc.Invalid to sedge family and broad leaved weed.
Butachlor (butachlor), commodity are called Machete, special, the Machete of weed eradication, are the chloro-acetyl amine weed killer herbicides by Monsanto Company's exploitation, chemical name: N-(fourth oxygen methyl)-α-chloro-α ', 6 '-the diethyl acetanil, its structural formula is following:
Butachlor is an amide-type selectivity preemergence herbicide.Main it is synthetic to suppress the body internal protein, makes the enlargement of weeds shoot, deformity through weeds young shoot and immature secondary root absorption, and color depth is green, finally causes death.It is anti-divided by the grassy weed of seed germination, annual nutgrass flatsedge and some annual broadleaf weeds to can be used for paddy field and nonirrigated farmland, like barnyard grass grass, moleplant seed, difformed galingale herb, cyperus iria, needle spikesedge herb etc. good preventive effect is arranged.Monochoria vaginalis, Drilgrass, cusp flower and firefly Lin etc. there is better prevention effect.Perennial weeds such as triangular, the inclined to one side stalk bit of a bridle grass of water, angustifolia arrowhead herb then there is not obvious preventive effect.Have only a small amount of butachlor to be absorbed by rice seedling, and rapidly complete in vivo katabolism, thereby rice seedling has bigger drug-resistant capability.Butachlor stability in soil is little, and is stable to light, can be decomposed by edaphon.Lasting period is 30-40 days, to second stubble crop safety.
Herbicide for paddy field is limit by crop safety at present; It is also limited to kill the grass spectrum; Use separately the agent of a kind of weed killer herbicide list can not control the generation of paddy field weed completely effectively, moreover some weed killer herbicide is because water-soluble big or the field lasting period is oversize, consumption is excessive or the inhomogeneous residual hazard that all causes easily this season crop or succession crop of dispenser.
Summary of the invention
The mixed herbicide that the purpose of this invention is to provide a kind of cinosulfuron-containing, cyhalofop-butyl, butachlor.
Another object of the present invention provides the application of this mixed herbicide.
The mixed herbicide of a kind of cinosulfuron-containing, cyhalofop-butyl and butachlor, this weed killer herbicide is main active ingredient with cinosulfuron, cyhalofop-butyl and butachlor, the mass ratio of cinosulfuron, cyhalofop-butyl and butachlor is 0.1～80: 0.1～80: 0.1～80.The mass ratio of preferred cinosulfuron and cyhalofop-butyl is 1～70: 1～60: 1～50.
In the described mixed herbicide, cinosulfuron, cyhalofop-butyl and butachlor three's gross mass percentage composition is 1～85%, and preferred gross mass percentage composition is 15～80%.
In the ternary built preparation of cinosulfuron of the present invention, cyhalofop-butyl and butachlor; Except active ingredients such as cinosulfuron, cyhalofop-butyl and butachlor, can also add the auxiliary agents such as conventional surfactants, thickener, solvent or solid packing that allow on the pesticidal preparations and be mixed with any one formulation that allows on the agricultural chemicals.Preferably be processed into missible oil, aqueous emulsion, water dispersible granules, wetting powder and suspending agent etc.
Mixed herbicide of the present invention can be used in the weeding before the paddy field bud or behind the early stage bud, particularly in preventing and kill off paddy field, uses in various grassy weeds, sedge weed or the broad leaved weed to have remarkable result.
Herbicidal composition of the present invention has the following advantages:
1, activity of weeding is high.Herbicidal composition of the present invention can kill weeds through three kinds of different approaches; Wherein three kinds of active ingredient pluses and minuses are complementary; Three kinds of composite reagents not only can reduce the consumption of single agent greatly; Be made into the mixture use according to specific than row, can produce synergistic function, greatly improve the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Cinosulfuron is mainly effective to broad leaved weed and sedge weed; And the cyhalofop-butyl ester is effective to grassy weed; Butachlor can prevent and kill off grassy weed and part broad leaved weed three mixes the back action compensating, and herbicidal spectrum is wideer, and because cinosulfuron can only spread pesticide-clay mixture or spraying; And cyhalofop-butyl can only be done the cauline leaf processing; Butachlor can pesticide-clay mixture.So weed killer herbicide of the present invention has the double action in foliar treatment and feud, prolonged the lasting period of medicament.
3, delay the weeds resistance.Because weeds are prone to sulfonylurea herbicide is produced resistance; And contain the cyhalofop-butyl of fragrant phenoxy propionic acid ester and the butachlor of amide-type in the weed killer herbicide of the present invention; Make medicament can prevent weeds effectively except anti-sulfonylurea; In addition, reduce the pesticide resistance of weeds, prolonged the service life of medicament.
4, safe.Herbicidal composition of the present invention is applied to agent for removing grass in paddy field, and it can prevent and kill off various grass family, sedge family and broad leaved weed in the paddy field, under the prerequisite that has improved drug effect, paddy rice and succession crop is all had safety.
Embodiment
Embodiment 1
Cinosulfuron 1%, cyhalofop-butyl 13%, butachlor 1%; APES 4%, polyoxyethylene polyoxy third rare block compound 5%, xanthans 2%; Water to 100%, being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 15% aqueous emulsion.
Embodiment 2
Cinosulfuron 15%, cyhalofop-butyl 5%, butachlor 10%; NNO (sodium methylene bis-naphthalene sulfonate) 9%, APES 5%, ammonium sulfate 5%; Kaolin to 100%, being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 30% water dispersible granules.
Embodiment 3
Cinosulfuron 5%, cyhalofop-butyl 60%, butachlor 15%; Sodium lignin sulfonate 7%, neopelex 5%, white carbon 5%; Diatomite supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 80% wetting powder.
Embodiment 4
Cinosulfuron 4%, cyhalofop-butyl 1%, butachlor 50%, calcium dodecyl benzene sulfonate 6%, alkyl polyoxyethylene ether 4%, xylol supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 55% missible oil.
Embodiment 5
Cinosulfuron 70%, cyhalofop-butyl 5%, butachlor 5%; NNO (sodium methylene bis-naphthalene sulfonate) 2%, sodium lignin sulfonate 3%, white carbon 3%; Kaolin supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 80% wetting powder.
Embodiment 6
Cinosulfuron 5%, cyhalofop-butyl 10%, butachlor 20%; Neopelex 6%, APES 4%, sodium lignin sulfonate 4%; Xanthans 3%, water supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 35% suspending agent.
Embodiment 7
1), indoor active determination test
Utilize the preparation among the embodiment 1～4, measure its co-toxicity coefficient paddy field common weed Monochoria vaginalis.
Test method: the seed of quantitative Monochoria vaginalis is seeded in respectively in the Disposable paper cup of 9cm, sows 10～15 seeds in every glass, in illumination box, cultivate, treat Monochoria vaginalis 3～6 leaves during the phase, do the enterprising row spraying of composition spray in crawler type and handle.Handle in the greenhouse, back and continue to cultivate, each handles the preventive effect to weeds routine observation, and each weeds fresh weight after handling of weighing behind the 30d is pressed the method for nineteen sixty propositions such as Sun Yunpei, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient shows that greater than 100 three kinds of active principles have synergistic effect, and co-toxicity coefficient shows that less than 100 three kinds of active principles have antagonism.Mensuration result is as shown in table 1.
The indoor determination of activity result of table 1
Can find out that from last table the co-toxicity coefficient after active principle is composite explains that all greater than 100 the present invention has obvious synergistic effect.
2), field control effectiveness test
Supply the reagent agent:
Ternary built weed killer herbicide among among the embodiment 1～4 4.
The contrast medicament:
20% cinosulfuron water dispersible granules (commercially available), 10% cyhalofop-butyl missible oil (commercially available), 50% butachlor ec (commercially available).
Confession studies thing: paddy rice
The paddy rice seedling was 3～5 leaf phases, grew fine, and robust plant does not have other damage by disease and insect.
Prevent and kill off object:
Alisma, sedges, Ping, pondweed, arrowhead, crabgrass, foxtail, barnyard grass, daughter son, goose grass, duck Zhi grass and other weeds in paddy field advantage.
Test method:
According to the area of experimental plot, the accurate good various medicaments of weighing, and after converting the water dilution, utilize knapsack sprayer, and carrying out even spraying, shower nozzle is selected the special-purpose Fan spray head of weed killer herbicide for use.During spraying, note soup is evenly sprayed application in the experimental plot, accomplish not leak the phenomenon of spray, many sprays.
After the test respectively behind medicine 20d, 40d observe the weeds death condition, and the activity of weeding of more various medicaments, the result sees table 2 and table 3.In addition, also will behind medicine, observe the condition of production of crop in 1～15d, to investigate medicament whether crop had poisoning, the result sees table 4
Table 2 field control effectiveness test result (20d behind the medicine)
Table 3 field control effectiveness test result (40d behind the medicine)
Consumption in table 2 and the table 3 all refers to the consumption of active ingredient in each preparation.Can find out that from table 2 and table 3 the present invention has significant preventive effect to grassy weed, broad leaved weed and sedge weed, synergy property is remarkable, and the lasting period is long.
Table 4 medicament is to the security survey result of crop
Each is handled, and the rice is doing well in the sub-district, do not see any medicine spot, explains that various medicaments are to the equal safety of paddy rice.
Claims (8)
1. the mixed herbicide of a cinosulfuron-containing, cyhalofop-butyl and butachlor; It is characterized in that this weed killer herbicide is main active ingredient with cinosulfuron, cyhalofop-butyl and butachlor, the mass ratio of cinosulfuron, cyhalofop-butyl and butachlor is 0.1～80: 0.1～80: 0.1～80.
2. mixed herbicide according to claim 1, the mass ratio that it is characterized in that cinosulfuron, cyhalofop-butyl and butachlor in the described weed killer herbicide is 1～70: 1～60: 1～50.
3. according to the mixed herbicide described in claim 1 or 2, it is characterized in that cinosulfuron, cyhalofop-butyl and the butachlor three quality percentage composition in described weed killer herbicide is 1～85%.
4. according to the mixed herbicide described in the claim 3, it is characterized in that cinosulfuron, cyhalofop-butyl and the butachlor three quality percentage composition in described weed killer herbicide is 15～80%.
5. according to the mixed herbicide described in the claim 1, it is characterized in that described mixed herbicide is that the auxiliary agent that allows on main active ingredient and the agricultural chemicals is mixed with any one formulation with cinosulfuron, cyhalofop-butyl and butachlor.
6. according to the mixed herbicide described in the claim 5, it is characterized in that described formulation is missible oil, aqueous emulsion, water dispersible granules, wetting powder, suspending agent.
7. the described mixed herbicide of claim 1 application in the weeding before the paddy field bud or behind the early stage bud.
8. the described mixed herbicide of claim 1 application in various grassy weeds, sedge weed or the broad leaved weed in preventing and kill off paddy field.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105521308A CN102461538B (en) | 2010-11-19 | 2010-11-19 | Application of hybrid herbicide containing Cinosulfuron, cyhalofop-butyl and butachlor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105521308A CN102461538B (en) | 2010-11-19 | 2010-11-19 | Application of hybrid herbicide containing Cinosulfuron, cyhalofop-butyl and butachlor |
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| CN102461538A true CN102461538A (en) | 2012-05-23 |
| CN102461538B CN102461538B (en) | 2013-11-27 |
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| CN2010105521308A Active CN102461538B (en) | 2010-11-19 | 2010-11-19 | Application of hybrid herbicide containing Cinosulfuron, cyhalofop-butyl and butachlor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016115709A1 (en) * | 2015-01-22 | 2016-07-28 | Hicap Formulations (Hong Kong) Ltd. | A safe, one-shot rice herbicide composition and weed control method in rice fields |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3637847A (en) * | 1969-09-03 | 1972-01-25 | Monsanto Co | N-haloalkyl-anilides |
| US4840663A (en) * | 1986-10-22 | 1989-06-20 | Ciba-Geigy Corporation | Synergistic composition and method for selective weed control in rice |
| CN101213963A (en) * | 2008-01-11 | 2008-07-09 | 张长平 | Composite herbicide for preventing and controlling rice weed moleplant seed and barnyard grass |
-
2010
- 2010-11-19 CN CN2010105521308A patent/CN102461538B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3637847A (en) * | 1969-09-03 | 1972-01-25 | Monsanto Co | N-haloalkyl-anilides |
| US4840663A (en) * | 1986-10-22 | 1989-06-20 | Ciba-Geigy Corporation | Synergistic composition and method for selective weed control in rice |
| CN101213963A (en) * | 2008-01-11 | 2008-07-09 | 张长平 | Composite herbicide for preventing and controlling rice weed moleplant seed and barnyard grass |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016115709A1 (en) * | 2015-01-22 | 2016-07-28 | Hicap Formulations (Hong Kong) Ltd. | A safe, one-shot rice herbicide composition and weed control method in rice fields |
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